Raya is a gardening enthusiast who is looking to buy a new house. she wonders whether her house plants will grow well if she buys an apartment on a higher floor. she remembers that her friend jenn also has a small garden on her balcony, and her plants seem healthy. raya conducts an experiment to study the effect of altitude on the growth of plants. she gathers plant samples and places them on five different floors of a 20-story building. identify the basic components of raya’s experiment, including the confounding variable.

The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?

Which description shows competition in an environment? an organism that feeds on some food an organism that finds a place to sleep three organisms of the same species living in an area three organisms battling over limited resources